How does the brain distinguish high-pitched from low-pitched sounds?
A. High-pitched sounds stimulate hair cells near the tip of the cochlea.
B. Low-pitched sounds cause the cochlear nerve fibers to fire more rapidly.
C. High-pitched sounds cause the basilar membrane to vibrate more vigorously.
D. High-pitched sounds cause the cochlear nerve fibers to fire more rapidly.
E. Low-pitched sounds stimulate hair cells near the tip of the cochlea.
Answer: A
You might also like to view...
Although not seen on an ECG, the period of isovolumetric relaxation would occur nearest which deflection on the ECG?
Indicate whether the statement is true or false
The functional units of the kidneys are:
a) renal sinuses. b) glomeruli. c) renal pyramids. d) nephrons.
Which is not correct regarding lymph nodes?
A. Connective tissue bands called tendineae divide nodes. B. They contain a network of lymphatic sinuses. C. They are covered by a connective tissue capsule. D. Lymphatic nodules produce lymphocytes. E. Each node has an outer cortex and inner medulla.
Which gland produces most of the semen?
A. The seminal vesicle B. The prostate C. The vestibular gland D. The areolar gland E. The bulbourethral gland